// Copyright (C) 2018 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-generator-function-definitions-runtime-semantics-evaluatebody
description: >
    The generator object is created after FunctionDeclarationInstantiation.
info: |
    14.4.10 Runtime Semantics: EvaluateBody

    1. Perform ? FunctionDeclarationInstantiation(functionObject, argumentsList).
    2. Let G be ? OrdinaryCreateFromConstructor(functionObject, "%GeneratorPrototype%",
       « [[GeneratorState]], [[GeneratorContext]] »).
    3. Perform GeneratorStart(G, FunctionBody).
    ...

features: [generators]
---*/

function Test() {
    function* g(a = (g.prototype = null)) {}
    var oldPrototype = g.prototype;
    var it = g();

    assert.notSameValue(Object.getPrototypeOf(it), oldPrototype);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
